Natural Science, Količina 1Macmillan, 1892 |
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American animals appears Arachnids beds birds botanical Brachiopoda British Museum Carboniferous cells characters coast collection colour contains continental cotyledons Cretaceous deposits described diatom district Eocene evidence evolution existence fact fauna feet fishes Foraminifera fossil genera genus geological geologists germination Ichthyosaurs illustrated important insects interesting islands Isoëtes known lakes land larvæ latter leaves less London lower mammals memoir Miocene mountain Natural History Natural Science Natural Selection naturalists North observations obtained occur ocean Olenellus oosphere organs origin paper plants plates Pliocene pollen-tube present probably Professor prothallium published recent recognised referred regard region remarkable rhizome rivers rocks scientific seed seems side Sigillaria Silurian skeleton Society South species specimens Stigmaria strata structure surface teeth Tertiary theory tion tissue trees upper variation volcanic W. T. Blanford zones Zoological
Priljubljeni odlomki
Stran 48 - THE THANATOPHIDIA OF INDIA; being a Description of the Venomous Snakes of the Indian Peninsula. With an Account of the Influence of their Poison on Life, and a Series of Experiments.
Stran 300 - When I come to the conclusion that you are conscious, and that there are objects in your consciousness similar to those in mine, I am not inferring any actual or possible feelings of my own, but your feelings, which are not, and cannot by any possibility become, objects in my consciousness.
Stran 408 - Britton has not considered it his duty to publish the last written words of Dr. Gray which were addressed to him upon this subject and which expressed his positive opinions upon this point. There is nothing whatever of an ethical character inherent in a name through any priority of publication or position which should render it morally obligatory upon anyone to accept one name rather than another...
Stran 641 - Not in vain the distance beacons. Forward, forward let us range, Let the great world spin for ever down the ringing grooves of change.
Stran 561 - Let him quietly go on with his work. The dye, the lather, the leather will make their appearance in due time.
Stran 641 - Many a night from yonder ivied casement, ere I went to rest, Did I look on great Orion sloping slowly to the West. Many a night I saw the Pleiads, rising thro' the mellow shade, Glitter like a swarm of fire-flies tangled in a silver braid.
Stran 251 - Sonoran in America and the Boreal with the analogue of the Sonoran in Eurasia. Eliminating these austral elements as wholly foreign to the region to which they have been so persistently attached, there remains a single great Circumpolar Boreal region characterized by a remarkably homogeneous fauna, covering the northern parts of America and Eurasia.
Stran 639 - Of his old husk : from head to tail Came out clear plates of sapphire mail. " He dried his wings : like gauze they grew : Thro' crofts and pastures wet with dew A living flash of light he flew.
Stran 408 - Dr. Gray in his later years and by the Kew botanists, for the reason that once established and pretty generally recognized, it would avoid the great mass of synonymy, which is being heaped like an incubus upon the science. I must express surprise that Dr. Britton had not considered it his duty to publish the last written words of Dr.
Stran 640 - When the centuries behind me like a fruitful land reposed ; When I clung to all the present for the promise that it closed : When I...